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H. H. HACKSTEDDE.

FLOUR STOBNG, ELEVATINGLAND SIFTING APPARATUS.

APPLICATION FILED AuG.23. I9I7.

1,320,684. Patented NOV. 4,1919.

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HERBERT I-I. HACKSTEDIDE, OF CINCINNATI, OHIO, ASSIGNOR T0 TI-IE CENTURY MACHINE COMPANY, OF CINCINNATI, OHIO, A CORPORATION OF OI-IIO.

FLoUn sro'niive, nnnva'rine, ann SIFTTNGAPPARATUS.

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Patented Nov. 4, 1919.

pplication filed August 23, 1917. Serial No. 187,762.

An object of my invention'is to producey a flour storing, elevating and sifting apparatus, particularly for use with dough mixers, in which the amount of power requiredV to operate the device is small and in which the elevated flour is prevented from falling to the bottom of the elevator shaft and accumulatingtherein to choke the apparatus.

A further object is to produce a Hour storing, elevating and sifting device, which occupiesa `small amount of space and which may'beutilized in anyv position required by the position occupied by the machine to ieceive the sifted flour.

These and other objects are attained in the flour storing,'elevating and sifting apparatus described in the following specification and illustrated in vthe accompanying drawings, `in which,

Figure 1 is a sideelevation of flour'storing, Y elevating and sifting apparatus embodying my invention, certain portions being broken away for convenience of illustration. j Y j Fig. 2 is ak fragmental sectional elevation taken on the line 2-2 of Fig. 1.*

Fig. 3 is a fragmental sectional elevation taken on the line 3-3 ofV Fig. A1.

Fig. 4 is a fragmental sectional elevation' taken on the line 4-4 of Fig. 1.`

My storing, elevating and sifting apparal' tus consists of a flour storage bin 5, an elevator 6 connected therewith at its bottom,` and a sifting device 7 connected with thev elevator at its top. The storage bin 5 consists of a receptacle 8 having at its bottom inclined sides adapted to direct-the flour toward the center thereof and having a conveyer worin 9 located in the bottom and adapted to direct the flour from the receptacle 8 into the bottom of the casing 10 of the elevator 6, in which a bearing 11 is provided for journaling the shaft 12 which carries the worm 9. Upon shaft 12 a sprocket 13 is secured and passing over this sprocket is a conveyer chain 14, which at its upper end passes over a similar sprocket 15 operatively mounted in bearings 16 and 17 in the top of the elevator casing 10. Upon .chain 14 a series of flour elevating buckets 18 are secured, these buckets consisting of sections of angle irons'secured to the alternate links of the chain and havingtheir flanges 19 entending inwardly. It is these flanges which lforni the shelves or containers upon which i trough is located between the outwardly and downwardly Ymoving sections of the chain and extends entirely across the casing. In the trougha conveyer worm 21 is rotatively mounted, one end of the shaft which carries the worm being Vlocated in a bearing 22 mounted in one wall of the casing and eX- tendiiig to the outside of the casing for the purpose of receiving the necessary driving mechanism. vConveyer worm 21 extends throughthe opposite side of the casing and isV surrounded vvby a tube 23 through which the flour which is dumped into the trough 20`is fed. The opposite end of the tube 23 is connected with the sifting device 7, the shaft 24 which mounts worm 21, being located in a bearing 25secured to the casing:

cured. Passing over sprocket 31 upon shaft 100 24 is a chain 35, which at its lower end passes over a sprocket operatively connected with drive shaft 36 by means of any suitable clutch mechanism 37 which is operated in any suitable manner, such as by manually 105 operated lever 38. Upon the opposite end of shaft 36 driving pulley 39 is secured.

In the operationof my storing, elevating and sifting apparatus, the Hour contained in receptacle s is directed by the inclined 11o 2 l Y Y Y 1,320,684

sides'. of the Vbottom thereof toward worm 9. The operation of thisv worm causes the iiour to" bedeposited at the bottom of Vchute casing 10 and into positionto drop on'to Ashelves 19 of thefconveyer buckets 18.

'From this point thefiour is elevated to the top of the casing and as the chain passes over sprocket 15, it is :dumped from the shelves into the trough 2() where it is carriedv by worm 21 from the trough, through tube Next the conveyer chain is actuatedV through. gears 32 andSS. Then'worm 9'rece1ves the driving power".` The advantage attained by such an .arrangement of the driving mechanism of the apparatus, is thatof danger of thel flour .becoming'packed in any portion of the apparatus, is obviated. sprocket 31 slip on shaft 24:, the entire ap-l paratus would stop and thereby prevent the -delivery of any more iiour to the conveyer worm and sifter, andthus avoid chokingof vthe worm and sifter mechanism. Should pinion 32 become loosened and slip upon shaft 24, worm 21 would continueV its operation andthe remainder of the apparatus wouldstop.) Thus suchY a construction Would avoidchoking of the apparatus at this point.

Should gear v33 orwsprocket 15 slip upon shaft 3 4, the` same thing would occur.

Loosening or slipping of sprocket 13-upon shaft l2 would result in stoppage of worm 9 and allow continued operation of elevator chainfll. V.Thus the accumulated our in the bottom of chute casing 10Vwould be removed and further delivery of flour thereto Would beprevented.Y i' f A further advantage `of my improved construction is thatftheelevator .6 is` located centrally of one end'of the storage'bin and. the Vconveyer tube'23 and sifter 7i are also- Vlocated centrally .of elevator 6. kThus the apparatus may be used when the mixing or ShouldV the other machine designed to receive vthe sifted f flour, is located in a corner or close to a wall, my apparatus being. designed to have either side thereof located neXt to the wall and Without requiring the repositioning of the V`miXing'or other machine-'or without necessitating alterations beingv made in my storing, elevating and sifting apparatus.' In

other words the location of the various parts of my improved apparatus centrally of each other, so las to render the' enti re apparatus symmetrical, enables'it to be facedv in either Vdirection according to the position occupied by the mixing'machine in the room in which it is located, Y I

A further advantage attained in my improved construction,V is that by providing shelf-like elevatingV members and by locat- `ing them upon the innerY side of the chain,

I am enabled to incase these elementswithin acasing which is materially smaller than elevator casings heretofore designed for 'such a purpose.

Having thus describedmyinvention, what 'catedl abovea dough miXer,a vertical ele,-

vator casing adapted to be'located'at a side of the dough mixer, a trough connecting' thesifter `and the upperend of the elevator casing, a'bin at the lower end of the ele vator casing, `and at the lopposite side from the trough andfeed shaftsin the bin and the trough located in the same vertical plane and lan elevating devicei'n the casing and located centrally of the shafts, :vv-hereby the device is adaptedv to,Y located at either side ofthe dough mixer. l v V l'In testimony whereof," I have hereunto subscribed my name this 21st day of August,

1917. HER-BERT, n. nacirsrnnnnf VIVitnesses: Y'

I JoHN SL 'Fi'.rzraraion, Y

Copies of this patent may be obtained Afor five cents each, by addressing.' the Commissioner of Batejnts,

Washington, D. 0. 

